(crystallography) The constant distance between unit cells in a crystal lattice. It may be different in each direction, thus a crystalline substance may have up to three lattice constants.

plural of late-wake

lich-wake

plural of lateral aberration

(optics) Deviation from the correct point of focus measured perpendicular to the axis.

(graph theory) A kind of connected cycle-free graph.

Used other than figuratively or idiomatically: see be, name, later. / Something of very uncertain value. / Something of very low value.

(humorous) Said as a mild admonishment to somebody who is always late for things.

Alternative form of horse latitudes

Alternative form of horse latitudes